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Vocabulary
Structure of the Earth
Continental Drift Theory
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
What is the lithosphere
100
Evidence of matching animal fossils from two separate continents _____________________ and _____________________
What is Africa and South America
100
Earthquakes and Volcanoes are usually located in relation to these
What is a plate boundary
100
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
200
A number of rigid, but moving, pieces of Earth's surface
What is tectonic plates.
200
The thickest layer of the Earth
What is the mantle.
200
Evidence of tropical plants were found on this continent
What is Antarctica
200
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading
200
Hot air or liquid is less ________________ than cool air or liquide
What is dense
300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300
Plates float on top of the _______________________.
What is the asthenosphere
300
Pangaea existed this many millions of years ago
What is around 250 million years ago
300

What happens at convergent boundaries

Subduction (where volcanoes often occur) or collision (where mountains are usually formed)

300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary